From ac93d0ebf2b1b91f6759df2e09218ed44f7e5268 Mon Sep 17 00:00:00 2001
From: Marshall Clow <mclow.lists@gmail.com>
Date: Mon, 15 Jul 2013 14:57:19 +0000
Subject: [PATCH] Add macro _LIBCPP_CONSTEXPR_AFTER_CXX11 for functions that
 have been marked constexpr post C++11

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186323 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/__config | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/__config b/include/__config
index ca850d39..f003e5b0 100644
--- a/include/__config
+++ b/include/__config
@@ -518,6 +518,13 @@ template <unsigned> struct __static_assert_check {};
 #  endif
 #endif  // _LIBCPP_STD_VER
 
+#if _LIBCPP_STD_VER <= 11
+#define _LIBCPP_CONSTEXPR_AFTER_CXX11
+#else
+#define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr
+#endif
+
+
 #ifdef _LIBCPP_DEBUG2
 #   include <__debug>
 #else